change_bt_a = function(event){
	Event.stop(event);	
	if($F('s_business_type') == 'r' || $F('s_business_type') == '') {
			$('delta_plus_restaurants').show();
			$('kitchen_details').show();
			$('restaurant_details').show();
			$('restaurant_speciality').show();		
	}else{
			$('delta_plus_restaurants').hide();
			$('kitchen_details').hide();
			$('restaurant_details').hide();
			$('restaurant_speciality').hide();
	}
	if($F('s_business_type') == 'h') {
			$('delta_plus_hotels').show();
			$('hotel_details').show();
	}else{
			$('delta_plus_hotels').hide();
			$('hotel_details').hide();
	}	
	if($F('s_business_type') == 's') {
			$('seminar_details').show();
	}else{
			$('seminar_details').hide();
	}	
	if($F('s_business_type') == 'b') {
			$('banquet_details').show();
	}else{
			$('banquet_details').hide();
	}	
}

function get_cities(){
	new Ajax.Updater('city_list', 'city_list.php', { postBody: Form.serialize('search_frm'), evalScripts:true});
}